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MachineSafetyforInjectionMoldingMachinesOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.APresentationoftheOSHA-SPIAllianceOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.CourseObjectives•Identifythetypesofinjuriesthatcanoccurwhileoperatinginjectionmoldingmachines•Describethepossiblecausesoftheseinjuries•Identifywaystosafelyoperateinjectionmoldingmachines•RecognizetheimportanceofatotalsafetyandhealthapproachOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.ReasonstoFocusonInjuriesintheInjectionMoldingProcess•Highinjury/illnessrates•OSHAcitations•NationalEmphasisProgram•Site-SpecificTargetingOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.TypesofInjuries•Fatalities•Amputations•Avulsions•Fractures•Cutsandbruises•Sprainsandstrains•Burns•ElectricshockOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.SomeCausesofInjuries•Reachingaround,under,overorthroughguardsintohazardousareas•Removingorbypassingguards•Reachingintoequipmenttoremovestuckparts•NotusingLOTOprocedures•Machine/equipmentmalfunctionsOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.CausesofInjuries(cont’d)•Lackofrecognitionofhazardsofthejob•Lackoffamiliaritywiththeequipment•Inadequatetraining,comprehension,orboth•OperatingmachineswithmissingorinoperableguardsandimproperorinadequatemachinemaintenanceOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.InjectionMoldingMachinery•Horizontalinjectionmoldingmachine(HIMM)•Verticalinjectionmoldingmachine(VIMM)OccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.VerticalInjectionMoldingMachines-VIMMsOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.VIMMs•Combinationsofverticalandhorizontalclampandinjectionconfigurationsofmachines•Regardlessoftheconfigurationofthemachine,basicmachineguardingandgoodsafeworkpracticesmustbeapplied–Pointofoperation–OthermovingmachinepartsOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.VIMMs:UniqueHazardsandIssues•Gravity•Plasticsplatter/missinginsert•Flyinginserts•UnexpectedbystanderinterventionsOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.HorizontalInjectionMoldingMachines-HIMMsOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.HIMMs:MechanicalHazards•Pointofoperation•Pinchpoints•Nippoints•RotatingpartsOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.PotentialInjuriesfromMechanicalHazards•Fatalities•Amputations•Avulsions•Crushinginjuries•FracturesOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.SafetyGuardsandDevices•Typesofguardsanddevices•Movableguardswithinterlocks•Fixedbarrierguards•Presence-sensingdevices•Mechanicalsafetybars•Locationsofguards–Overmovingequipment–Aroundelectricalhazards–AroundthermalhazardsOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.Operator’sGate•Equippedwithredundantinterlocks–Electrical–Hydraulic–Mechanicalsafetybar•AllowsthemachinetooperateonlywhenthegateisclosedOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.ElectricalInterlock•Allowstheelectricalsystemtooperateandclosetheclamp•Actuatedwhentheoperator’sgateisopenedorclosed•Preventsclampfromclosingwhentheoperator’sgateisopenOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.OccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.HydraulicInterlock•Actuatedbyopeningorclosingtheoperator’sgate•EachhydraulicIMMrequiresatleastone•Preventsclampfromclosingwhentheoperator’sgateisopenOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.OccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.•Preventsclampfromclosingwhentheoperator’sgateisopen•MusthaveatleastonemechanicaldeviceonallIMM’sMechanicalSafetyDeviceOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.OccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.OtherGuarding•Rearguard•Topguard•Partsdischargeguard•Feedopeningguard•Electricalsystemguards•Purgeguard•InjectionbarrelcoverOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.RearGuard•Preventsclampfromclosingwheninterlockedrearguardisopened•Shouldhaveatleasttwointerlocks•PreventsaccesstomoldareasOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.TopGuard•Requiredifoperatorcanreachoverthetopofthemachineandintohazardousareas•ShouldbeinterlockedifmovableOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.TopGuards(cont’d)OccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.PartsDischargeGuard•Keepsemployeesfromreachingunderoperator’sgateandintothedangerzoneOccupationalSafetyandHealthAdministrationTheSocietyofthePlasticsIndustry,Inc.P